Make these feelings go away!!!?

soo, i have some crazy mixed emotions going on right now and im lost n confused. my fiance's friend i have known for a few months less than my fiance', hes my issue, i was happy and i had FINALLY gotten rid of my feelings that had grown for his friend, and the other day he stopped by, when i seen him i immidiately hugged him and they ALL came back, i find myself loosing interest in my fiance' and gaining some with every time i looked at his friend. keep in mind, he hasnt told me DIRECTLY that he likes me to but i feel it and he flirts with me and makes me shiver inside just watching his lips move along with his tongue when he makes gestures at me, and his personality is amazing hes gentle and family oriented but doesnt like to show others that because he wants to seem tough, i know this is sooo wrong but i cant make this attraction go away. help me, i might let my love for my fiance go and regret it but i cant seem to be able to kiss my fiance anymore the way i should. i think i love his friend.... this is serious.